﻿function showsub_e(id){
	for (i = 0;i<3;i++){
			
		document.getElementById("tab_e"+i).className = "title1_out";
		document.getElementById("sub_e"+i).style.display = "none";
	}
	document.getElementById("tab_e"+id).className = "title1_over";
	document.getElementById("sub_e"+id).style.display = "";
}